forked from rust-lang/rust-bindgen
/
anon_struct_in_union.rs
110 lines (109 loc) · 2.68 KB
/
anon_struct_in_union.rs
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#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C)]
#[derive(Copy, Clone)]
pub struct s {
pub u: s__bindgen_ty_1,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub union s__bindgen_ty_1 {
pub field: s__bindgen_ty_1_inner,
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
pub struct s__bindgen_ty_1_inner {
pub b: ::std::os::raw::c_int,
}
#[test]
fn bindgen_test_layout_s__bindgen_ty_1_inner() {
assert_eq!(
::std::mem::size_of::<s__bindgen_ty_1_inner>(),
4usize,
concat!("Size of: ", stringify!(s__bindgen_ty_1_inner))
);
assert_eq!(
::std::mem::align_of::<s__bindgen_ty_1_inner>(),
4usize,
concat!("Alignment of ", stringify!(s__bindgen_ty_1_inner))
);
assert_eq!(
unsafe {
&(*(::std::ptr::null::<s__bindgen_ty_1_inner>())).b as *const _
as usize
},
0usize,
concat!(
"Offset of field: ",
stringify!(s__bindgen_ty_1_inner),
"::",
stringify!(b)
)
);
}
#[test]
fn bindgen_test_layout_s__bindgen_ty_1() {
assert_eq!(
::std::mem::size_of::<s__bindgen_ty_1>(),
4usize,
concat!("Size of: ", stringify!(s__bindgen_ty_1))
);
assert_eq!(
::std::mem::align_of::<s__bindgen_ty_1>(),
4usize,
concat!("Alignment of ", stringify!(s__bindgen_ty_1))
);
assert_eq!(
unsafe {
&(*(::std::ptr::null::<s__bindgen_ty_1>())).field as *const _
as usize
},
0usize,
concat!(
"Offset of field: ",
stringify!(s__bindgen_ty_1),
"::",
stringify!(field)
)
);
}
impl Default for s__bindgen_ty_1 {
fn default() -> Self {
let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
unsafe {
::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
s.assume_init()
}
}
}
#[test]
fn bindgen_test_layout_s() {
assert_eq!(
::std::mem::size_of::<s>(),
4usize,
concat!("Size of: ", stringify!(s))
);
assert_eq!(
::std::mem::align_of::<s>(),
4usize,
concat!("Alignment of ", stringify!(s))
);
assert_eq!(
unsafe { &(*(::std::ptr::null::<s>())).u as *const _ as usize },
0usize,
concat!("Offset of field: ", stringify!(s), "::", stringify!(u))
);
}
impl Default for s {
fn default() -> Self {
let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
unsafe {
::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
s.assume_init()
}
}
}